H12-224 : HCNP-R&S Fast Track (Huawei Certified Network Professional – Routing & Switching Fast Track) : Part 34

H12-224 : HCNP-R&S Fast Track (Huawei Certified Network Professional – Routing & Switching Fast Track) : Part 34

1. A VPN instance is also called a VPN routing and forwarding (VRF) table. Which of the following statements is false?

   • VPN instances on a PE are independent of each other.
   • Each VPN instance can be regarded as a virtual router, which maintains an independent address space and has one or more interfaces connected to the VPN.
   • A PE maintains multiple routing and forwarding tables, including a public routing and forwarding table and one or more VRFs.
   • A VPN instance can be bound to multiple sites. Multiple sites can be bound to one VPN instance.

2. MPLS VPN is used to solve some limitations of traditional VPN technology. Which are the major limitation that MPLS VPN solves?

   • Private routes cannot communicate with each other.
   • Leased lines are expensive.
   • Bandwidth resources cannot be fully used.
   • The address space is overlapping.

3. During the DHCP interaction process, the DHCP server and client exchange various types of packets. Which of the following packets is not sent from the client to the server?

   • DHCP NAK
   • DHCP Request
   • DHCP Discover
   • DHCP Release

4. Which information are included in the DHCP binding entry? (Choose all that apply.)

   • MAC address
   • IP address
   • Lease time
   • Physical port and UDP port

5. Which of the following parameters is optional when you configure a RADIUS server template on a Huawei switch?

   • Authentication server IP address and port
   • Automatic RADIUS user detection
   • Accounting server address and port
   • Shared-key

6. Which of the following traffic can be mirrored through port mirroring? (Choose all that apply.)

   • Packets received by a port
   • Packets sent by a port
   • Packets received and sent by a port
   • Packets discarded on a port

7. What are the mainly methods of data collection? (Choose all that apply.)

   • Collection by physical optical splitter
   • Collection through port mirroring
   • Centralized collection by NMS
   • Automatic collection

8. eSight single-server mode allows login of only one user. If another user logs in, the system displays a message indicating that a user is online currently.

   • TRUE
   • FALSE

9. What are the common queue scheduling technologies? (Choose all that apply.)

   • FIFO
   • LR
   • WRR
   • CIR
   • CQ
   • WFQ

10. In the DiffServ domain, the core router typically only performs simple traffic classification.

    • TRUE
    • FALSE

11. Which of the following statements regarding traffic policing is true? (Choose all that apply.)

    • Packets cannot be colored.
    • Packets can be colored.
    • The packets of which the rate is exceeded can be buffered.
    • The packets of which the rate is exceeded cannot be buffered.

12. At which layer does a packet filtering firewall check data packets?

    • Application layer
    • Physical layer
    • Network layer
    • Link layer

13. For interzone packet filtering, which traffic is belong to transmitted to outbound direction?

    • Trusted zone -> Untrusted zone
    • Untrusted zone -> Trusted zone
    • Untrusted zone -> DMZ
    • Trusted zone -> Local zone

14. When configuring source NAT with no-pat configuration parameters, which of the following statements is true?

    • Only the source IP address is translated.
    • Only the destination IP address is translated.
    • The source IP address and source port number are both translated.
    • The destination IP address and destination port number are both translated.

15. Which of the following statements regarding the characteristics of HA network are true? (Choose all that apply.)

    • Faults cannot occur frequently.
    • Faults can be recovered rapidly.
    • No fault occurs.
    • When faults occur, services can be only restored manually.

16. Which command is used to configure the VRRP preemption delay?

    • vrrp vrid 1 preempt-timer 20
    • vrrp vrid 1 preempt-mode timer delay 20
    • vrrp vrid 1 timer delay 20
    • vrrp vrid 1 preempt-delay 20

17. What is the default sending interval of BFD packets?

    • 5s
    • 100ms
    • 1000ms
    • 10s

18. During BFD session establishment between devices, which state is not involved?

    • 2-way
    • down
    • init
    • up

19. Which of the following is not the limitation of traditional networks?

    • The network protocol implementation is complex, and the O&M is difficult.
    • The traffic path cannot be adjusted flexibly.
    • The upgrade of new network services is slow.
    • Different vendors’ devices provide similar implementation, there is less difference in operation commands, and operations are easy.

20. VXLAN is irrelevant to SDN technology.

    • TRUE
    • FALSE